[ladyada] has a freshly-published and amazingly thorough tutorial on passive infrared (PIR) motion sensors. Most often seen in security floodlights and automatic doors, in creative hands these sensors ...

[Ladyada] has released this tutorial on using pressure sensors. They cover everything from the basics of their construction through how to connect and read data from them. The elegant sensor pictured ...

A growing range of Arduino-based robotics resources now combine sensor integration, coding fundamentals, and practical hardware skills. From beginner micro servo tutorials to advanced sensor ...